1,334 prompts matching "Expressing a rationalised answer in the form a root b over c"
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Show All Working: Solving a pair of simultaneous linear inequalities
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Quiz: The number of arrangements of r objects chosen from n
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Spot My Mistake: Arrangements in which two particular objects must be kept apart
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Quiz: Choosing a committee of r people from n
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Spot My Mistake: Solving an equation by first applying a Pythagorean identity
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Quiz: The tangent curve and its asymptotes
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WAEC Prep: A phase shift in y equals sin of x minus d
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Quiz: The equation of the tangent to a parabola
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Spot My Mistake: The foci of an ellipse
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Spot My Mistake: The standard deviation of an ungrouped set of data
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Show All Working: Replacing two parallel forces by a single resultant
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Quiz: Relative velocity when the two motions are at right angles
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Spot My Mistake: An aeroplane in a cross-wind, and its resultant track
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WAEC Prep: The conical pendulum
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WAEC Prep: The simple pendulum as an example of simple harmonic motion
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Spot My Mistake: A particle hanging in equilibrium on an elastic string
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WAEC Prep: Two elastic strings supporting one particle
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Spot my mistake: Assuming multiplying a vector by a negative scalar leaves its magnitude negative
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Spot my mistake: Treating any vector with small components as a unit vector
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Spot my mistake: Using an equation of constant acceleration on a body whose acceleration is changing
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